Q:

A subset of the database which contain virtual data that is derived from the database files but is not explicitly stored is called

A) Touple	B) View
C) Relation	D) Key

Answer & Explanation Answer: B) View

Explanation:

A view may be a subset of the database or it may contain virtual data that is derived from the database files but is not explicitly stored .

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Job Role: Database Administration

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Q:

Which describes the correct pairing of DNA bases?

A) guanine - cytosine	B) adenine - cytosine
C) guanine - thymine	D) thymine - cytosine

Answer & Explanation Answer: A) guanine - cytosine

Explanation:

The correct pairing of DNA bases among the given options is guanine - cytosine.

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Q:

In the making of jewels, gold is usually mixed with

A) zinc	B) tin
C) copper	D) aluminium

Answer & Explanation Answer: C) copper

Explanation:

In making jewels, gold is usually mixed with copper to make it little hard.

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Q:

Carbon, Diamond and Graphite are together called

A) Isomers	B) Isotopes
C) Allotrope	D) Isomorphs

Answer & Explanation Answer: C) Allotrope

Explanation:

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Q:

When a bullet is fired from a gun

A) the gun moves forward	B) the gun jumps up
C) the gun does not move	D) the gun recoils with the same momentum as the bullet

Answer & Explanation Answer: D) the gun recoils with the same momentum as the bullet

Explanation:

Newton's III law involved

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Q:

'Grand Slam' in Tennis Consists of which of the following combinations?

A) Wimbledon, French Open, Italian Open, Australian Open	B) Wimbledon, Australian Open, Japan Open, US Open
C) Australian Open, French Open, Wimbledon, US Open	D) Wimbledon, South Africa Open, French Open

Answer & Explanation Answer: C) Australian Open, French Open, Wimbledon, US Open

Explanation:

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Q:

The Black Box is a device used in an aircraft to

A) control the speed	B) detect any flaw in the engines
C) Record the flight data	D) maintain contact with the ground

Answer & Explanation Answer: C) Record the flight data

Explanation:

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Q:

Most Explosive Type of Volcano is

A) The Cinder Cone	B) Rhyolite caldera complexes
C) Shield Volcanoes	D) The Basault Volcanoes

Answer & Explanation Answer: B) Rhyolite caldera complexes

Explanation:

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